Evaluated Materials


Sika Corp.
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Fluid Applied Membranes
Product: Sikagard® 535 Liquid Applied Vapor Permeable Air Barrier
Air Barrier Testing Results
Property
Air Barrier Assembly
Material Air Permenance
Test Methods
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
Results
0.013 L/(s • m2) @ 75 Pa
0.0026 cfm /ft2 @ 1.57 psf
0.0009 L/(s • m2) @ 75 Pa
0.00018 cfm /ft2 @ 1.57 psf
Material Thickness
@ 20 mils (dry)
@ 10 mils (dry)
Water Vapor Transmittence Testing Results
Property
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
Test Methods
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
Metric
108 ng / Pa•s•m2
351 ng / Pa•s•m2
Imperial
1.9 US Perms
6.1 US Perms
Material Thickness
@ 20 mils dry
@ 20 mils (dry)
Product: Sikagard® 530 Liquid Applied Vapor Permeable Air Barrier
Air Barrier Testing Results
Property
Air Barrier Assembly
Material Air Permenance
Test Methods
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
Results
< 0.0022 L/(s • m2) @ 75 Pa
< 0.00043 cfm /ft2 @ 1.57 psf
0.0005 L/(s • m2) @ 75 Pa
< 0.0001 cfm /ft2 @ 1.57 psf
Material Thickness
@ 20 mils (dry)
@ 20 mils (dry)
Water Vapor Transmittence Testing Results
Property
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
Test Methods
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
Metric
55.3 ng / Pa•s•m2
661 ng / Pa•s•m2 
Imperial
0.96 US Perms
11.5 US Perms
Material Thickness
@ 22 mils (dry)
@ 22 mils (dry)
Product: Sikagard® 520 Liquid Applied Vapor Permeable Air Barrier
Air Barrier Testing Results
Property
Air Barrier Assembly
Material Air Permenance
Test Methods
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
Results
< 0.0022 L/(s • m2) @ 75 Pa
< 0.00043 cfm /ft2 @ 1.57 psf
0.0069 L/(s • m2) @ 75 Pa
0.0014 cfm /ft2 @ 1.57 psf
Material Thickness
@ 60 mils (wet) 35 mils (dry)
@ 30 mils (dry)
Water Vapor Transmittence Testing Results
Property
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
Test Methods
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
Metric
< 5.7 ng / Pa•s•m2
720 ng / Pa•s•m2
Imperial
< 0.1 US Perms
12.6 US Perms
Material Thickness
@ 30 mils (dry)
@ 30 mils (dry)